Blog

Portable 18 Aug 2026

Building ON3VZ/P: a QRP Portable Station for Flora & Fauna

Portable 14 Aug 2026

First QRP Portable Test Setup: 5 Watts, a QMX and a Band Hopper IV in a Field

Tools 30 Jul 2026

QSObridge: Any Log In, the Right Format Out

Projects 23 Jul 2026

From a Paper Grid to a Live Scoreboard: Building the N1MM Field Day Tracker

Open source · Windows & Linux · Offline · No account N1MM Field Day Tracker Live matrix of which participating stations you have worked, on whic...

Logbook 19 Jul 2026

Eight Weeks On The Air: What 247 QSOs Taught a Class C Beginner

Ferrite 14 Jul 2026

Ferrite Mix 43 and the 49:1 UNUN: Why a Beautiful SWR Curve Is Not the Whole Story

It started in the club chat

FT8 12 Jul 2026

First Steps into FT8: When 25 Watts Suddenly Reaches Argentina

Today was the day I finally dipped my toes into the digital modes. FT8, to be precise. I had been putting it off for a while, partly because phone (SSB) is w...

Radar 10 Jul 2026

How to (Almost) Crash a Lunar Lander: The Lunar Descent CTF Explained

A little while ago, ON4AOL (Luc) forwarded me a link to an article by Daniel Estévez (EA4GPZ/M0HXM), ORI’s lunar descent CTF, with the simple question of whe...

HF 11 Jun 2026

HF Band Scout — When Can I Reach Where, and How Should I Set Up My Radio?

Interactive · Free · PWA · No account needed HF Band Scout An interactive world map that shows where you can currently make contact — and on which ban...

QSL 09 Jun 2026

QSL via the Bureau: A Newcomer's Guide to Real Cards on the UBA QSL Service

By ON3VZ / Kristof, Hoboken (Antwerp), Grid JO21EE Member of UBA and radio amateur club WLD (ON6WL)

HF 02 Jun 2026

New Radio, First Antenna, and the Puzzle of HF Bands

The box arrived. Inside: an Icom IC-7300 MkII. A few days later, the antenna went up — a vertical in the garden, first contact with the outside world. And th...

HF 01 Jun 2026

dB & dBm — From Zero to Confident in One Course

Interactive · 3 languages · Free RF dB & dBm A step-by-step course that takes you from basic maths to reading RF analyser output — confidently. ...

VHF 15 May 2026

My Yaesu FT-65 Under the Microscope: A Deep Spectrum Analysis on 2 Metres

Yesterday the WLD club organised a workshop on spectrum analysers. I brought along my Yaesu FT-65 handheld radio and connected it, for the first time in my l...

Logging 06 May 2026

From First QSO to First QSL Card: The Complete Logging and QSL Guide for the Belgian Radio Amateur

By ON3VZ / Kristof — Hoboken (Antwerp) — Grid: JO21EE Member of UBA and radio amateur club WLD (ON6WL)

Propagation 04 May 2026

Decoding Propagation News — A Beginner's Guide to Radio Weather

As a newly licensed Class C radio amateur, the theory exam covers a lot of ground — regulations, antennas, electronics, operating procedures. But one thing t...

HF 01 May 2026

Starting from Zero: Building a Capable HF Station on 25 Watts

Getting a Class C amateur radio licence feels like finally having the key to a door you have been staring at for months. You pass the exam, you receive your ...

CW 21 Apr 2026

DOT & DASH — Teaching My Kids Morse Code With a Browser Game

My kids have shown some interest in Morse code ever since they saw me practising on LCWO. There’s something genuinely fascinating about it to a child — a sec...

ARDF 25 Mar 2026

My First ARDF Experience: Fox Hunting with the WLD NextGen System

On March 28, 2026, my club ON6WL organises an ARDF training and test day, a perfect opportunity to discover a discipline I had never tried before. The day re...

CW 24 Mar 2026

Starting My CW Journey — Finding My Way into Morse Code

The ARDF training day with ON6WL did something unexpected to me. Somewhere between tracking fox transmitters and tuning antennas, the conversation kept comin...

ARDF 23 Mar 2026

Hunt the Fox — A Virtual ARDF Game Born from Club Passion

⚠️ The game is currently only available in Dutch.